Hydromancy is a pair of games made by five Brown computer science undergraduates for cs134: Innovating Game Development. Hydromancy's key innovation is its use of real-time fluid simulation technologies.
Spaceduel is a two-player game that uses Jos Stam's real-time fluid dynamics solver to simulate smoke in space.
Hydromaze is a game similar to Labyrinth, but with water instead of marbles. The water is simulated using Ageia's PhysX particle system.